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Autres articles (108)

  • MediaSPIP 0.1 Beta version

    25 avril 2011, par

    MediaSPIP 0.1 beta is the first version of MediaSPIP proclaimed as "usable".
    The zip file provided here only contains the sources of MediaSPIP in its standalone version.
    To get a working installation, you must manually install all-software dependencies on the server.
    If you want to use this archive for an installation in "farm mode", you will also need to proceed to other manual (...)

  • Other interesting software

    13 avril 2011, par

    We don’t claim to be the only ones doing what we do ... and especially not to assert claims to be the best either ... What we do, we just try to do it well and getting better ...
    The following list represents softwares that tend to be more or less as MediaSPIP or that MediaSPIP tries more or less to do the same, whatever ...
    We don’t know them, we didn’t try them, but you can take a peek.
    Videopress
    Website : http://videopress.com/
    License : GNU/GPL v2
    Source code : (...)

  • Les formats acceptés

    28 janvier 2010, par

    Les commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
    ffmpeg -codecs ffmpeg -formats
    Les format videos acceptés en entrée
    Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
    Les formats vidéos de sortie possibles
    Dans un premier temps on (...)

Sur d’autres sites (9345)

  • React native - Which is the best way to compress video before upload to server ?

    27 avril 2022, par pillade

    We are using ffmpeg library (https://github.com/tanersener/react-native-ffmpeg) but with large videos this task is taking too long time, up to 4 minutes or more in some cases.

    


    The ffmpeg command we are using is :
ffmpeg -y -i {inputVideo.mp4} -c:v libx264 -crf 24 -preset ultrafast -vf scale=-2:720,format=yuv420p -movflags +faststart {outputVideo.mp4}

    


    We want to have a quickly (and perfomant) compression so the user experience will not be affected

    


  • Supported audio and video formats in Windows Store apps

    27 décembre 2013, par TheQuestioner

    I searched a lot on the internet and I know that this problem has been discussed on several forums, but because I am making a media player and I intend to sell it, I fell the need to ask for a more complete answer.
    As I understand, this is the list with the audio and video formats available in Windows Store Apps : http://msdn.microsoft.com/en-us/library/windows/apps/hh986969.aspx. This are indeed the most used formats for playing audio and video, but I truly fell the lack of support for the .MKV files. So my questions are :

    1. Will Microsoft include .MKV in that list ? When ?
    2. Can I somehow include the .MKV codec in my app ? (or other codecs, like .flv)
    3. If I can't add the MKV codec in my app and Microsoft doesn't intend to add it, is there a way that I can convert the .MKV in , let's say, a .MP4 so that my app can be able to play it ?

    I know that I'm not the first that asks this questions, but I didn't find anywhere a good/complete answer or solution to this problem.

    In my opinion .MKV in pretty popular already. Searching for media players in the Windows Store I found one which claims that it supports .MKV (but only if you buy it, so I didn't try it). So is this possible ? How ?

  • Opening h264_nvenc encoder in ffmpeg takes about 1.5 seconds in Nvidia GPU

    9 mai 2019, par faraway

    We’re using ffmpeg as a library and need to open several encoding sessions at the same time.

    1. At first sessions, h264_nvenc opens very quickly but when session count has increased to 40, only avcodec_open takes 1.5 seconds.

    2. Secondly, avcodec_open can open h264_nvenc one at a time so that if there are 40 sessions started at the same time, last session can take about 20 seconds to start

    Do you have any idea about questions ?

    Regards,

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